While We Have Seen How Natural Selection and the Use

question 47

Multiple Choice

While we have seen how natural selection and the use of pesticides can lead to the development of resistant varieties of insects, two economically important flies, the Mediterranean fruit fly (Medfly) and the screwworm fly, can be driven to local extinction by the continuous release of sterile flies of those species. The critical factor is that the female of these species only mates once. But which of the following is/are also necessary for sterile release to work?

• A) The target species is truly just one species.
• B) The insect can be raised artificially in large numbers.
• C) The insects to be released can be sterilized with radiation without affecting their ability to attract a mate in the wild.
• D) All of the choices are correct.

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Definitions:

Multiple-Step

A detailed income statement format that separates operational revenue and expenses from non-operational ones to highlight core business profitability.

Statement Of Income

A statement of income is a financial document that summarizes a company's revenues, expenses, and profits or losses over a specific time period.

Freight In

The cost associated with transporting goods into a business, included as part of the inventory cost.

Purchases Account

An account used in accounting to track all purchases of goods and materials that a business intends to resell.